CN116410807A - Centrifugal compressor oil additive, centrifugal compressor oil and centrifugal compressor - Google Patents

Centrifugal compressor oil additive, centrifugal compressor oil and centrifugal compressor Download PDF

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Publication number
CN116410807A
CN116410807A CN202111659737.0A CN202111659737A CN116410807A CN 116410807 A CN116410807 A CN 116410807A CN 202111659737 A CN202111659737 A CN 202111659737A CN 116410807 A CN116410807 A CN 116410807A
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China
Prior art keywords
centrifugal compressor
compressor oil
oil additive
diphenylamine
oil
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CN202111659737.0A
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Chinese (zh)
Inventor
刘中国
朱江
王辉
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN202111659737.0A priority Critical patent/CN116410807A/en
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/122—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms monocarboxylic
    • C—CHEMISTRY; METALLURGY
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C—CHEMISTRY; METALLURGY
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/14—Containing carbon-to-nitrogen double bounds, e.g. guanidines, hydrazones, semicarbazones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • C10M2215/224—Imidazoles
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • C—CHEMISTRY; METALLURGY
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • C—CHEMISTRY; METALLURGY
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • C—CHEMISTRY; METALLURGY
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/18—Anti-foaming property
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/40—Low content or no content compositions
    • C10N2030/42—Phosphor free or low phosphor content compositions
    • C—CHEMISTRY; METALLURGY
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/40—Low content or no content compositions
    • C10N2030/43—Sulfur free or low sulfur content compositions
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64—Environmental friendly compositions
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/30—Refrigerators lubricants or compressors lubricants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Abstract

The invention provides a centrifugal compressor oil additive, centrifugal compressor oil and a centrifugal compressor. The lubricating oil additive comprises the following components in percentage by mass: 5% -30% of ionic liquid; 5% -50% of antioxidant; 1% -30% of antirust agent; 1% -30% of metal passivating agent; 1% -20% of demulsifier; 1% -20% of an anti-foaming agent; diluting the balance of oil; wherein the ionic liquid comprises the structure of formula 1. The lubricating oil additive disclosed by the invention has relatively excellent oxidation resistance, corrosion resistance, emulsification resistance, foam resistance and environmental friendliness.

Description

Centrifugal compressor oil additive, centrifugal compressor oil and centrifugal compressor
Technical Field
The invention relates to the technical field of lubricating oil, in particular to a centrifugal compressor oil additive, centrifugal compressor oil and a centrifugal compressor.
Background
The centrifugal compressor is driven by the power machine through the gear box to rotate at a high speed by the worm wheel in the air end, and the sucked air is compressed and then output by utilizing centrifugal force, so that the centrifugal compressor has the advantages of large and uniform exhaust capacity, good regulation performance, reliable operation and the like and is generally applied to medium and low pressure working conditions. Due to the high-speed rotation of the turbine and the influence of air, moisture and the like, the centrifugal compressor oil is extremely easy to oxidize, emulsify or generate foam in the use process, so that equipment corrosion and the like can be caused.
Therefore, it is desirable to provide a centrifugal compressor oil additive which has excellent oxidation resistance, rust resistance, emulsification resistance, foam resistance and environmental friendliness.
Disclosure of Invention
The invention provides a centrifugal compressor oil additive which has relatively good oxidation resistance, corrosion resistance, emulsification resistance, foam resistance and environmental friendliness.
The invention provides a centrifugal compressor oil which has excellent oxidation resistance, corrosion resistance, emulsification resistance, bubble resistance and environmental friendliness due to the inclusion of the centrifugal compressor oil additive.
The invention provides a centrifugal compressor, which has good mechanical sealing performance of a gear and a main bearing and long service life due to the inclusion of the centrifugal compressor oil, and has wide application range.
The invention provides a centrifugal compressor oil additive, which comprises the following components in percentage by mass:
Figure BDA0003447133300000021
wherein, the ionic liquid comprises the following structures:
Figure BDA0003447133300000022
wherein n is a positive integer from 4 to 9.
The centrifugal compressor oil additive comprises the following components in percentage by mass:
Figure BDA0003447133300000023
the centrifugal compressor oil additive comprises the following components in percentage by mass: (0.1-2).
The centrifugal compressor oil additive as described above, wherein the antioxidant is at least one selected from the group consisting of 2, 6-di-t-butyl-p-cresol, dioctyl diphenylamine, dinonyl diphenylamine, octyl butyl diphenylamine, nonyl butyl diphenylamine, styryl octyl diphenylamine and alpha-methyl styryl diphenylamine.
The centrifugal compressor oil additive as described above, wherein the rust inhibitor is at least one selected from isononyl phenoxyacetic acid, sorbitol monooleate, alkenyl succinic acid, and barium dinonyl naphthalene sulfonate.
The centrifugal compressor oil additive as described above, wherein the metal deactivator is selected from at least one of an alkylthiadiazole, a methylbenzotriazole and an N, N' -salicylidenediamine.
The centrifugal compressor oil additive as described above, wherein the demulsifier is at least one selected from the group consisting of oil-soluble polyethers, condensates of amines with ethylene oxide, condensates of fatty alcohols with ethylene oxide.
The centrifugal compressor oil additive as described above, wherein the anti-foaming agent is at least one selected from the group consisting of a complex anti-foaming agent, a polymethacrylate and a polyacrylate.
The centrifugal compressor oil additive as described above, wherein the diluent oil is an inert neutral oil.
The invention also provides a centrifugal compressor oil, which comprises the centrifugal compressor oil additive.
The invention also provides a centrifugal compressor comprising a centrifugal compressor oil as described above.
The invention provides a centrifugal compressor oil additive, which comprises ionic liquid, an antioxidant, an antirust agent, a metal deactivator, a demulsifier, an anti-foaming agent and diluent oil in specific content, wherein the ionic liquid comprises a structure of a formula 1. Because the ionic liquid which forms the centrifugal compressor oil additive comprises the structure of the formula 1, the centrifugal compressor oil additive has relatively excellent oxidation resistance, corrosion resistance, emulsification resistance and foam resistance; the ionic liquid also has the advantage of excellent dissolution performance, and can be compatible with other components, so that the anti-emulsifying, anti-foaming, anti-oxidation and anti-corrosion performances of the centrifugal compressor oil additive are further improved. It is worth mentioning that the ionic liquid does not contain sulfur and phosphorus, and the ionic liquid can reduce the contents of sulfur and phosphorus in the centrifugal compressor oil additive as much as possible, so that the environmental protection performance of the centrifugal compressor oil additive can be improved.
The centrifugal compressor oil disclosed by the invention has the advantages of excellent anti-emulsifying, anti-foaming, anti-oxidation and anti-corrosion performances, good environmental friendliness and wide application prospects due to the inclusion of the centrifugal compressor oil additive.
The centrifugal compressor of the invention has good mechanical sealing performance of the gear and the main bearing due to the inclusion of the centrifugal compressor oil, and has long service life and wide application range.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The first aspect of the invention provides a centrifugal compressor oil additive, which comprises the following components in percentage by mass:
Figure BDA0003447133300000041
wherein, the ionic liquid comprises the following structures:
Figure BDA0003447133300000042
wherein n is a positive integer from 4 to 9.
The invention is not limited to the specific source of the ionic liquid, and the ionic liquid can be prepared by adopting a preparation method commonly used in the field, and can also be obtained by commercial purchase.
The present invention is not particularly limited to the antioxidant, the rust inhibitor, the metal deactivator, the demulsifier, the anti-foaming agent and the diluent oil, and may be selected from the antioxidant, the rust inhibitor, the metal deactivator, the demulsifier, the anti-foaming agent and the diluent oil which are commonly used in the art.
In the invention, the main component of the centrifugal compressor oil additive is ionic liquid shown in formula 1. On the one hand, the centrifugal compressor oil additive can show excellent compatibility when being matched with other components. On the other hand, when the additive for the centrifugal compressor is used for preparing the centrifugal compressor oil, the anti-corrosion performance, the oxidation resistance, the anti-foaming performance and the anti-emulsifying performance of the centrifugal compressor oil can be obviously improved.
The ionic liquid does not contain sulfur and phosphorus, and the content of the sulfur and the phosphorus in the centrifugal compressor oil additive can be reduced as much as possible by using the ionic liquid, so that the centrifugal compressor oil additive has excellent oxidation resistance, corrosion resistance, bubble resistance and emulsification resistance and also has excellent environmental protection performance.
Further, when the centrifugal compressor oil additive comprises the following components in percentage by mass:
Figure BDA0003447133300000051
in some embodiments of the invention, to further improve the antioxidant, anti-foaming, anti-emulsifying and anti-corrosion properties of the centrifugal compressor oil additive, the mass ratio of antioxidant to ionic liquid is 1: (0.1-2).
In the invention, the raw materials of the ionic liquid, the antioxidant, the antirust agent, the metal deactivator, the demulsifier, the anti-foaming agent and the diluent oil can be further selected so as to further improve the compatibility of the raw materials and improve the antioxidant, anti-corrosion, anti-foaming, anti-emulsifying and environment-friendly performances of the centrifugal compressor oil additive.
In some embodiments of the invention, the antioxidant is selected from at least one of 2, 6-di-tert-butyl-p-cresol, dioctyl diphenylamine, dinonyl diphenylamine, octyl butyl diphenylamine, nonyl butyl diphenylamine, styryl octyl diphenylamine, and alpha-methyl styryl diphenylamine.
In some embodiments of the present invention, the rust inhibitor is selected from at least one of isononyl phenoxyacetic acid, sorbitol monooleate, alkenyl succinic acid, and barium dinonyl naphthalene sulfonate.
In some embodiments of the invention, the metal deactivator is selected from at least one of an alkyl thiadiazole, a methyl benzotriazole, and an N, N' -bis-salicylidenediamine.
In some embodiments of the invention, the demulsifier is selected from at least one of an oil-soluble polyether, an amine-ethylene oxide condensate, a fatty alcohol-ethylene oxide condensate.
The oil-soluble polyether is not particularly limited in the present invention, and may be selected from those commonly used in the art.
In the present invention, the amine-ethylene oxide condensate refers to a compound formed by a condensation reaction of an amino group in an amino compound and an epoxy group in ethylene oxide. The condensate of fatty alcohol and epoxy ethane refers to a compound formed by condensation reaction of hydroxyl groups in fatty alcohol and epoxy groups in epoxy ethane. The amount of the compound involved in the condensation reaction is not limited, and the specific conditions of the condensation reaction are not particularly limited, as long as the condensation reaction described above can occur.
In the present invention, each condensate may also be obtained commercially.
In some embodiments of the present invention, the anti-foaming agent is selected from at least one of a complex anti-foaming agent, a polymethacrylate, a polyacrylate.
The present invention does not particularly limit the composite anti-foaming agent, and can select the composite anti-foaming agent commonly used in the field.
In some embodiments of the invention, the diluent oil is an inert neutral oil. The inert neutral oil is not particularly limited in the present invention, and may be selected from inert neutral oils commonly used in the art, for example, the inert neutral oil may be HVI 150.
The molecular weight of the polymer is not particularly limited in the present invention.
The centrifugal compressor oil additive in some embodiments of the invention can be obtained by uniformly mixing the raw materials according to the above-described composition. The order of addition, stirring rate, and mixing temperature of the raw materials are not particularly limited in the present invention.
The centrifugal compressor oil additive disclosed by the invention has the advantages of relatively excellent antioxidation, anti-foaming, anti-emulsification, corrosion resistance and environmental friendliness, and is simple in preparation process, easy to operate and wide in application range.
A second aspect of the present invention provides a centrifugal compressor oil comprising the above-described centrifugal compressor oil additive.
In the invention, a certain content of centrifugal compressor oil additive is mixed with base oil commonly used in the field to obtain the centrifugal compressor oil. Because the centrifugal compressor oil comprises the centrifugal compressor oil additive, the centrifugal compressor oil has excellent oxidation resistance, corrosion resistance, bubble resistance, emulsification resistance and environmental friendliness.
A third aspect of the invention provides a centrifugal compressor comprising a centrifugal compressor oil as described above.
The centrifugal compressor provided by the invention comprises the centrifugal compressor oil, so that the mechanical tightness of the gear and the main bearing is good, the service life is long, and the application range is wide in the practical application process.
The technical scheme of the invention is further described below by combining specific embodiments.
The ionic liquid in each example is
Figure BDA0003447133300000061
Wherein n is selected from positive integers from 4 to 9, obtained by commercial purchase;
the inert neutral oil in each of the examples and comparative examples was HVI 150;
the oil-soluble polyether in each of the examples and comparative examples was basf L101;
the amine and ethylene oxide condensates of the examples and comparative examples were purchased from dan Yang Tianyu;
the polyacrylates in each of the examples and comparative examples were purchased from winning companies;
the # 1 composite antifoam in each of the examples and comparative examples was purchased from luda, inc;
the fatty alcohol and ethylene oxide condensates of the examples and comparative examples were purchased from a recreational chemical plant;
the 2# composite antifoam agent in each of the examples and comparative examples was purchased from luda, inc;
the group II base oil in each example and comparative example is China Petroleum HVI P6;
the alkylthiadiazoles of each of the examples and comparative examples were purchased from basf corporation;
alkenyl succinic acid in each of examples and comparative examples was T746, commercially available.
Example 1
The centrifugal compressor oil of this example was obtained by mixing the centrifugal compressor oil additive shown in table 1 with a group II base oil;
wherein the mass percent of the centrifugal compressor oil additive is 1% based on the total mass of the centrifugal compressor oil.
TABLE 1
Name of the name Mass percent/%
Ionic liquid (n=9) 20
2, 6-Di-tert-butyl-p-cresol 20
Dioctyl diphenylamine 15
Isononyl phenoxy acetic acid 10
Alkylthiadiazoles 10
Oil-soluble polyethers 10
1# composite anti-foaming agent 5
Inert neutral oil 10
Example 2
The composition of the centrifugal compressor oil of this embodiment is substantially the same as that of the centrifugal compressor oil of embodiment 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 2.
TABLE 2
Name of the name Mass percent/%
Ionic liquid (n=4) 20
2, 6-Di-tert-butyl-p-cresol 20
Octyl butyl diphenylamine 20
Alkenyl succinic acid 10
Methylbenzotriazole compounds 5
Condensate of amine and ethylene oxide 5
Polyacrylate esters 15
Inert neutral oil 5
Example 3
The composition of the centrifugal compressor oil of this embodiment is substantially the same as that of the centrifugal compressor oil of embodiment 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 3.
TABLE 3 Table 3
Name of the name Mass percent/%
Ionic liquid (n=7) 30
Alpha-methyl styryl diphenylamine 30
Sorbitol monooleate 20
N, N' -bis-salicylidene propylene diamine 5
Oil-soluble polyethers 5
2# composite anti-foaming agent 5
Inert neutral oil 5
Example 4
The composition of the centrifugal compressor oil of this embodiment is substantially the same as that of the centrifugal compressor oil of embodiment 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 4.
TABLE 4 Table 4
Name of the name Mass percent/%
Ionic liquid (n=9) 15
Styryl octyl diphenylamine 29
Barium dinonyl naphthalene sulfonate 10
Methylbenzotriazole compounds 10
Condensate of fatty alcohols with ethylene oxide 5
1# composite anti-foaming agent 5
Inert neutral oil 26
Example 5
The composition of the centrifugal compressor oil of this embodiment is substantially the same as that of the centrifugal compressor oil of embodiment 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 5.
TABLE 5
Name of the name Mass percent/%
Ionic liquid (n=9) 25
2, 6-Di-tert-butyl-p-cresol 25
Dioctyl diphenylamine 20
Isononyl phenoxy acetic acid 5
Alkylthiadiazoles 11
Oil-soluble polyethers 2
1# composite anti-foaming agent 2
Inert neutral oil 10
Example 6
The composition of the centrifugal compressor oil of this embodiment is substantially the same as that of the centrifugal compressor oil of embodiment 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 6.
TABLE 6
Name of the name Mass percent/%
Ionic liquid (n=9) 20
2, 6-Di-tert-butyl-p-cresol 2
Dioctyl diphenylamine 3
Isononyl phenoxy acetic acid 6
Alkylthiadiazoles 8
Oil-soluble polyethers 3
1# composite anti-foaming agent 5
Inert neutral oil 53
Comparative example 1
The composition of the centrifugal compressor oil of this comparative example is substantially the same as that of the centrifugal compressor oil of example 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 7.
TABLE 7
Name of the name Mass percent/%
2, 6-Di-tert-butyl-p-cresol 20
Dioctyl diphenylamine 30
Isononyl phenoxy acetic acid 10
Alkylthiadiazoles 10
Oil-soluble polyethers 1
1# composite anti-foaming agent 1
Inert neutral oil 28
Comparative example 2
The composition of the centrifugal compressor oil of this comparative example is substantially the same as that of the centrifugal compressor oil of example 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 8.
TABLE 8
Name of the name Mass percent/%
2, 6-Di-tert-butyl-p-cresol 20
Dioctyl diphenylamine 40
Isononyl phenoxy acetic acid 10
Alkylthiadiazoles 10
Oil-soluble polyethers 1
1# composite anti-foaming agent 1
Inert neutral oil 18
Comparative example 3
The composition of the centrifugal compressor oil of this comparative example is substantially the same as that of the centrifugal compressor oil of example 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 9.
TABLE 9
Name of the name Mass percent/%
2, 6-Di-tert-butyl-p-cresol 30
Dioctyl diphenylamine 30
Isononyl phenoxy acetic acid 10
Alkylthiadiazoles 10
Oil-soluble polyethers 1
1# composite anti-foaming agent 1
Inert neutral oil 18
Comparative example 4
The composition of the centrifugal compressor oil of this comparative example is substantially the same as that of the centrifugal compressor oil of example 1, except that: the centrifugal compressor oil additive of example 1 was replaced with the centrifugal compressor oil additive shown in table 10.
Table 10
Name of the name Mass percent/%
Ionic liquid (n=9) 32
2, 6-Di-tert-butyl-p-cresol 30
Dioctyl diphenylamine 3
Isononyl phenoxy acetic acid 10
Alkylthiadiazoles 5
Oil-soluble polyethers 5
1# composite anti-foaming agent 10
Inert neutral oil 5
Characterization of Performance
1. Performance tests were performed on group II base oils and the test results are shown in table 11.
TABLE 11
Project Group II base oils Test method
Kinematic viscosity (40 ℃ C.)/(mm 2 /s) 31.23 GB/T 265
Viscosity index 109 GB/T 1995
Pour point/. Degree.C -45 GB/T 3535
Flash point (open)/DEGC 226 GB/T 3536
Acid value/(mgKOH/g) 0.01 GB/T 4945
Moisture/% Trace of GB/T 260
2. The centrifugal compressor oils of examples 1 to 6 and comparative examples 1 to 4 were subjected to performance tests, and the test results are shown in Table 12.
Table 12
Figure BDA0003447133300000121
Figure BDA0003447133300000131
As can be seen from Table 12, the centrifugal compressor oil prepared in the examples of the present invention has relatively excellent oxidation resistance, corrosion resistance, anti-foaming and anti-emulsifying properties.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (10)

1. The centrifugal compressor oil additive is characterized by comprising the following components in percentage by mass:
Figure FDA0003447133290000011
wherein, the ionic liquid comprises the following structures:
Figure FDA0003447133290000012
wherein n is a positive integer from 4 to 9.
2. The centrifugal compressor oil additive according to claim 1, comprising, in mass percent:
Figure FDA0003447133290000013
3. the centrifugal compressor oil additive according to claim 1 or 2, wherein the mass ratio of the antioxidant to the ionic liquid is 1: (0.1-2).
4. The centrifugal compressor oil additive according to any one of claims 1 to 3, wherein said antioxidant is selected from at least one of 2, 6-di-t-butyl-p-cresol, dioctyl diphenylamine, dinonyl diphenylamine, octyl butyl diphenylamine, nonyl butyl diphenylamine, styryl octyl diphenylamine and α -methyl styryl diphenylamine.
5. The centrifugal compressor oil additive according to any one of claims 1 to 4, wherein said rust inhibitor is at least one selected from the group consisting of isononyl phenoxyacetic acid, sorbitol monooleate, alkenyl succinic acid and barium dinonyl naphthalene sulfonate.
6. The centrifugal compressor oil additive according to any one of claims 1 to 5, wherein said metal deactivator is at least one selected from the group consisting of alkylthiadiazoles, methylbenzotriazoles, and N, N' -salicylidenediamines.
7. The centrifugal compressor oil additive according to any one of claims 1 to 6, wherein said demulsifier is selected from at least one of oil-soluble polyethers, amine-ethylene oxide condensates, fatty alcohol-ethylene oxide condensates.
8. The centrifugal compressor oil additive according to any one of claims 1 to 7, wherein the anti-foaming agent is at least one selected from the group consisting of a composite anti-foaming agent, a polymethacrylate and a polyacrylate; and/or the number of the groups of groups,
the diluent oil is an inert neutral oil.
9. A centrifugal compressor oil comprising the centrifugal compressor oil additive of any one of claims 1-8.
10. A centrifugal compressor comprising the centrifugal compressor oil of claim 9.
CN202111659737.0A 2021-12-30 2021-12-30 Centrifugal compressor oil additive, centrifugal compressor oil and centrifugal compressor Pending CN116410807A (en)

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WO2015052558A1 (en) * 2013-10-09 2015-04-16 Indian Oil Corporation Limited Compressor oil, and compressor oil additive composition
CN105623794A (en) * 2014-11-04 2016-06-01 中国石油天然气股份有限公司 Gas turbine lubricating oil additive combination
US20170096614A1 (en) * 2014-03-18 2017-04-06 Council Of Scientific & Industrial Research Halogen free ionic liquids as lubricant or lubricant additives and a process for the preparation thereof
CN111575083A (en) * 2020-06-16 2020-08-25 烟台德高石油有限公司 Centrifugal compressor oil and preparation method thereof
CN113088368A (en) * 2021-04-21 2021-07-09 中国石油化工股份有限公司 Air compressor oil composition and preparation method thereof
CN113493715A (en) * 2020-04-07 2021-10-12 中国石油天然气股份有限公司 Hydraulic oil additive composition
CN113512455A (en) * 2020-04-10 2021-10-19 中国石油天然气股份有限公司 Lubricating oil composition for piston air compressor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104232244A (en) * 2013-06-07 2014-12-24 中国石油化工股份有限公司 Application of imidazole ionic liquid in lubricating oil additive
WO2015052558A1 (en) * 2013-10-09 2015-04-16 Indian Oil Corporation Limited Compressor oil, and compressor oil additive composition
US20170096614A1 (en) * 2014-03-18 2017-04-06 Council Of Scientific & Industrial Research Halogen free ionic liquids as lubricant or lubricant additives and a process for the preparation thereof
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CN113493715A (en) * 2020-04-07 2021-10-12 中国石油天然气股份有限公司 Hydraulic oil additive composition
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CN113088368A (en) * 2021-04-21 2021-07-09 中国石油化工股份有限公司 Air compressor oil composition and preparation method thereof

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